(~s)
1.
A ~ of police, soldiers, or military vehicles is a group of them. (FORMAL)
There were ~s from the navies of virtually all EU countries.
N-COUNT: usu with supp, oft N of n
2.
A ~ is a group of people representing a country or organization at a meeting or other event. (FORMAL)
The strong British ~ suffered mixed fortunes...
N-COUNT: usu with supp, oft adj N
3.
If something is ~ on something else, the first thing depends on the second in order to happen or exist. (FORMAL)
In effect, growth is ~ on improved incomes for the mass of the low-income population.
= dependent
ADJ: usu ADJ on/upon n/-ing